1 files changed, 2 insertions, 0 deletions
diff --git a/gc.c b/gc.c
index 6174d2f420..bf8e29def2 100644
--- a/gc.c
+++ b/gc.c
@@ -896,6 +896,7 @@ gc_mark_children(VALUE ptr, int lev)
 	  case NODE_DASGN:
 	  case NODE_DASGN_CURR:
 	  case NODE_IASGN:
+	  case NODE_IASGN2:
 	  case NODE_CVASGN:
 	  case NODE_COLON3:
 	  case NODE_OPT_N:
@@ -935,6 +936,7 @@ gc_mark_children(VALUE ptr, int lev)
 	  case NODE_LVAR:
 	  case NODE_DVAR:
 	  case NODE_IVAR:
+	  case NODE_IVAR2:
 	  case NODE_CVAR:
 	  case NODE_NTH_REF:
 	  case NODE_BACK_REF: